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<br />Waterfall Creek Estimated Stream Flow <br /> <br />. 25 <br /> 20 <br /> 15 <br />J!! <br />u <br /> 10 <br /> 5 <br /> 0 .. .. ...... ... <br /> <br /> <br />~1-- ~ ~~ ~~ ~)- vV1-- v~ ~vQ O'~,<) 00;- 1--0t-- <)~O <br /> <br />Month <br /> <br />Table 2 shows that the summer recommendation of 3.5 cfs is available at least 50% of the time <br />from May 1 st - August 31 st and the winter recommendation of 2.9 was further reduced to 1.3 cfs <br />September 1 st - April 30th based on limited water availability. <br /> <br />. <br /> <br />Precipitation Data <br />Staff reviewed local precipitation data sets from 2 different sites located around the Waterfall <br />Creek Drainage (see Precipitation Data in Appendix C). These sites include Telluride (1900- <br />1999) and Ames (1914-1986). Table 3 shows the water year and the percent of average <br />precipitation recorded at each site. <br /> <br />Table 3: Precipitation Data as a percentage of Average. <br /> <br />Water Year Telluride Ames <br />1959 96% 88% <br />1960 90% 91 % <br />1961 127 % 109% <br />1962 85 % 88 % <br />1963 117% 97% <br />1964 117% 81 % <br />1965 139% 139 % <br /> <br />Table 3 shows the a slight vanatIOn of precipitation between the two relatively close <br />precipitation sites. It is staff's opinion that the seven years of stream-flow data analyzed is <br />representative of average to slightly above average water-years. <br /> <br />. <br /> <br />Existing Water Right Information <br /> <br />Staff has analyzed the water rights tabulation and consulted with the Division Engineer Office to <br />identify any potential water availability problems. There are no significant decreed surface <br />diversions within this reach of stream. Based on this analysis staff has determined that water is <br />available for appropriation on Waterfall Creek, from its headwaters to the confluence with the <br /> <br />- 5 - <br />